2144444431 has 2 divisors, whose sum is σ = 2144444432. Its totient is φ = 2144444430.

The previous prime is 2144444389. The next prime is 2144444441. The reversal of 2144444431 is 1344444412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144444431 - 2¹¹ = 2144442383 is a prime.

It is a super-2 number, since 2×2144444431² = 9197283835293827522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144444393 and 2144444402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144444441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072222215 + 1072222216.

It is an arithmetic number, because the mean of its divisors is an integer number (1072222216).

Almost surely, 2^2144444431 is an apocalyptic number.

2144444431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144444431 is an equidigital number, since it uses as much as digits as its factorization.

2144444431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 31.

The square root of 2144444431 is about 46308.1464863365. The cubic root of 2144444431 is about 1289.5502370133.

Adding to 2144444431 its reverse (1344444412), we get a palindrome (3488888843).

The spelling of 2144444431 in words is "two billion, one hundred forty-four million, four hundred forty-four thousand, four hundred thirty-one".